A wind power generating module for use with an electric scooter is disclosed. The method also includes sending the node weight values of the first node to the neighbors of the first node, receiving the node weight values from the neighbors of the first node, determining access values for each node based on a fair access technique and determining network scheduling based on the access values and the node weight values. Through the website administrator, the product promoterseller orders a desired number of items which are imprinted with a password and an optically-visible two-dimensional code unique to the promoterseller. A second part may be provided with a plastic housing, circuit boards containing electrical components, and a bezel. The base forms a concave channel, a first concave region, and a second concave region. A further feature of the invention is the use of an air clearance between mold parts that is sufficient to allow air to escape but insufficient to allow molten metal to flow therepast.